310011312123 has 16 divisors (see below), whose sum is σ = 479244541440. Its totient is φ = 197688372552.

The previous prime is 310011312113. The next prime is 310011312187. The reversal of 310011312123 is 321213110013.

It is not a de Polignac number, because 310011312123 - 2¹⁴ = 310011295739 is a prime.

It is a super-2 number, since 2×310011312123² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 310011312096 and 310011312105.

It is not an unprimeable number, because it can be changed into a prime (310011312113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249605911 + ... + 249607152.

It is an arithmetic number, because the mean of its divisors is an integer number (29952783840).

Almost surely, 2^310011312123 is an apocalyptic number.

310011312123 is a deficient number, since it is larger than the sum of its proper divisors (169233229317).

310011312123 is a wasteful number, since it uses less digits than its factorization.

310011312123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499213095 (or 499213089 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 310011312123 its reverse (321213110013), we get a palindrome (631224422136).

The spelling of 310011312123 in words is "three hundred ten billion, eleven million, three hundred twelve thousand, one hundred twenty-three".